{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\toprule
            &\multicolumn{1}{c}{Medicines (54)}&\multicolumn{1}{c}{Animal \& veg materials (29)}&\multicolumn{1}{c}{Animal fats (42)}&\multicolumn{1}{c}{Non-ferrous metals (68)}&\multicolumn{1}{c}{Misc (89)}&\multicolumn{1}{c}{Meat (1)}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}\cmidrule(lr){6-6}\cmidrule(lr){7-7}
            &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   &\multicolumn{1}{c}{(5)}   &\multicolumn{1}{c}{(6)}   \\
\midrule
{}          &     -0.0295   &      0.0731** &      0.0324   &      0.0300   &     -0.0178   &     -0.0266   \\
            &    [0.0277]   &    [0.0289]   &    [0.0300]   &    [0.0279]   &    [0.0277]   &    [0.0305]   \\
\midrule
N           &         122   &         122   &         122   &         122   &         122   &         122   \\
\bottomrule
\end{tabular}
}
